Teton Area
Jackson Ranger District, POB 1689, Jackson WY 83001
- Issued:  April 1, 2010 6:10 AM  - MST

D A I L Y - G E N E R A L - A V A L A N C H E - H A Z A R D / R E P O R T

High Elevations (9,000´-10,500´)	Morning Low	Afternoon Moderate
Mid Elevations (7,500´-9,000´)	Morning Low	Afternoon Considerable
Low Elevations (6,000´-7,500´)	Morning Low	Afternoon Low

Overnight temperatures remained above freezing up to 9000 feet. Although in the early morning the avalanche danger will be Low, warm temperatures and periods of morning sunlight followed by rain will quickly further weaken the snowpack and the avalanche danger will increase. At the high elevations pockets of dense and possibly wet slabs to two foot depths could be human triggered in very steep terrain. At the mid and low elevations wet loose and wet slabs could release naturally in very steep avalanche terrain features. During the mid afternoon yesterday, a skier triggered and was carried by a two foot slide on Albright Peak in Grand Teton National Park.

Click Here for Jackson Hole Snow Report

C O N D I T I O N S - L E G E N D

Danger Level		Travel Advice	Likelihood of Avalanches	Avalanche Size & Distribution
Extreme:		Avoid all avalanche terrain	Natural and human-triggered avaalnches certain.	Large to very large avalanches in many areas.
High:		Very dangerous avalanche conditions. Travel in avalanche terrain not recommended.	Natural avalanches likely; human-triggered avalanches very likely.	Large avalanches in many areas; or very large avalanches in specific areas.
Considerable:		Dangerous avalanche conditions. Careful snowpack evaluation, cautious routefinding and conservative decision-making essential.	Natural avalanches possible; human-triggered avalanches likely.	Small avalanches in many areas; or large avalanches in specific areas; or very large avalanches in isolated areas.
Moderate:		Heightened avalanche conditions on specific terrain features. Evaluate snow and terrain carefully; identify features of concern.	Natural avalanches unlikely; human-triggered avalanches possible.	Small avalanches in specific areas; or large avalanches in isolated areas.
Low:		Generally safe avalanche conditions. Watch for unstable snow on isolated terrain features.	Natural and human-triggered avalanches unlikely.	Small avalanches in isolated areas or extreme terrain.

M O U N T A I N - W E A T H E R - P A S T - 2 4 - H O U R S

At 10,400' Elevation:	5 AM Temp: 29 ° F	Max Temp: 32 ° F	Avg Wind Direction: Westerly	Avg. Wind Speed: 22	Max Wind Gust: 45
Location			Snowfall/Prec.	Total Snow Depth	Total Snowfall
At 8,800' Elevation (Chief Joseph Plot)			0"/ 0.00"	130"	512 "
At 9,300' Elevation (Raymer Plot)			0"/ 0.00"	128 "	554 "
At 9,580' Elevation (Rendezvous Bowl Plot)			0"/ 0.00"	138 "	523 "

M O U N T A I N - W E A T H E R - F O R E C A S T - F O R - T O D A Y

The next system is to bring moisture by this afternoon. During its onset, snow is expected above nine thousand feet and rain below. As cold air meets this system, temperatures and the snow line are to lower.
Temperature Forecast for 8,000´-9,000´:	Rising into the upper thirties to low forties.
Ridge Top Wind Forecast for 10,000´:	Southwesterly at 20 to 30 mph.
Snowfall Expected Next 24 Hours:	2-6"
Click Here for the Daily Report:	Jackson Hole Snow Report

D A I L Y - G E N E R A L - A V A L A N C H E - A D V I S O R Y

Rapid, heavy snowfall and warming temperatures have created dangerous avalanche conditions. The new snow is falling on weak, lighter density snow that rests on slick sun crusts or firm wind packed snow. Soft slabs to three feet in depth will be easily triggered on a variety of aspects. With increasing snow, wind speeds and temperatures the hazard will rise through the day. Cautious route-finding and conservative decision-making will be essential today. Isolated pockets of soft slab or loose sloughs could be human triggered at low elevations.

Go to JHAvalanche.org to get the latest, most up-to-date avalanche and backcountry forcast that may change throughout the day.

For further information call 307-733-2664 To report an avalanche observation call 307-739-2607